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Use of orbital atherectomy in acute myocardial infarction via the transradial approach

Mowakeaa, Samer
Snyder, Branden
Kakouros, Nikolaos
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Abstract

Severe coronary artery calcifications pose an ongoing challenge when performing percutaneous coronary interventions, resulting in an increased likelihood of procedural complications. Orbital atherectomy (OA) has emerged as a promising technology that helps improve outcomes in this complex patient population. Its safety and efficacy are yet to be demonstrated in the setting of acute myocardial infarction. We present a case of a patient with acute ST-elevation myocardial infarction (STEMI) evaluated with emergent transradial coronary angiography. The culprit lesion was a severely stenotic, heavily calcified, segment of the right coronary artery. The use of OA facilitated lesion expansion and implantation of a drug-eluting stent. Although OA should be considered as contraindicated for the management of soft-ruptured plaque, which accounts for the majority of STEMI presentations, it may be well applied to the small subset of patients with calcified nodule pathology, even in the acute setting.

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Interv Med Appl Sci. 2016 Dec;8(4):178-180. doi: 10.1556/1646.8.2016.4.3. Link to article on publisher's site

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DOI
10.1556/1646.8.2016.4.3
PubMed ID
28180008
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Copyright © 2016 The Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium for non-commercial purposes, provided the original author and source are credited.
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